Zone-Specific Guide
Grow Nasturtiums in Zone 10a
Your complete guide to growing nasturtiums in USDA Hardiness Zone 10a — planting windows, care tips, and harvest timing.
Cool
🌡️ Zone 10a
Days to Harvest
50–65
Spacing
10–12"
Method
Direct sow
Season
Cool
When to Plant Nasturtiums in Zone 10a
Direct Sow
Oct – Apr
How to Grow Nasturtiums in Zone 10a
📋 Key Timing Note
Edible flowers and leaves. Great trap crop for aphids. Prefers poor soil — too much fertilizer = all leaves, no flowers.
Direct sow seeds between Oct – Apr. Space plants 10–12" apart. Expect to harvest in approximately 50–65 days.
Common Pests in Zone 10a
Watch for these pests when growing nasturtiums in your area.
Frequently Asked Questions
When should I plant Nasturtiums in Zone 10a?
Direct sow seeds Oct – Apr.
How far apart should I plant Nasturtiums in Zone 10a?
Space nasturtiums plants 10–12" apart in Zone 10a. This gives them adequate room for airflow and root development.
What pests affect Nasturtiums in Zone 10a?
Common pests for nasturtiums in Zone 10a include aphids (trap crop), cabbage worms. Use companion planting and row covers as first-line defense.
How long until Nasturtiums is ready to harvest in Zone 10a?
In Zone 10a, expect nasturtiums to be ready in approximately 50–65 days from planting. Edible flowers and leaves. Great trap crop for aphids. Prefers poor soil — too much fertilizer = all leaves, no flowers.